About The Project
GPS and total station surveys of Mimico & Midland Yards in Toronto.
Both yards required a complete topographic survey of all aboveground items. At Mimico Yard, the survey was limited to the southwestern portion of the yard away from the mainline tracks. At Midland, the survey covered the yard property and northernmost track.
SUE Level B investigations were completed at both sites using a subcontractor. CN and Metrolinx-owned utility lines were marked by technicians representing both companies (PNR completing Metrolinx locates work). Because of the frequency of trains at Midland Yard, this work needed to be scheduled on weekend daytime shifts. Utility locates were also marked on the roadways at Kipling & Midland avenues, though no additional topo survey was done on road level.